1. Chair and Department of Epidemiology and Clinical Research Methodology, Medical University of Lublin, Poland
2. Department of Applied Psychology, Department of Psychology, Medical University of Lublin, Poland
3. Department of Experimental Hematooncology, Medical University of Lublin, Poland
4. EDU – MED ISPL Dr n. med. Agnieszka Łagowska-Batyra, Poland; Faculty of Social Studies and Medical Sciences College of Social Studies Based, Lublin, Poland